1. Adner, R. and Kapoor, R. 2010. Value creation in innovation ecosystems: How the structure of technological interdependence affects firm performance in new technology generations.Strategic Management Journal31: 306–333.
2. Anonymous. 2009.OSGi Service Platform, Core Specification, Release 4, Version 4.2. OSGi Alliance, 2009, pp. 332, ISBN 978-90-79350-04-9.
3. Anonymous. 2011. The 2012 ageing report: Underlying assumptions and projection methodologies.European Economy4, 309 (2011). DOI 10·2765/15373.
4. Anonymous. 2012. Population structure and ageing. Tech. rep., Eurostat (2012). URL http://epp.eurostat. ec.europa.eu/statistics_explained/.
5. Astley, W. G., and C. J. Fombrun. 1983. Collective Strategy: Social Ecology of Organisational Environments.The Academy of Management Review, 8(4), Oct. 1983, pp. 576–587.